Unit 2 Natural Disasters Welcome to the unit & Reading (I) 课件-2023-2024学年高中英语译林版（2020）必修第三册

Welcome to the unit& Reading Unit 2 Natural disasters 湖南长郡卫星远程学校 录制 2021年上学期 制作 10 长沙市长郡中学 王剑 Step 1: Nature is kind of a loving mother, but also a butcher in cold blood. — Victor Hugo 大自然是慈爱的母亲， 也是冷血的屠夫。 hailstorm 冰雹 What natural disasters do you know? Natural Disasters 3. Tornado 6. Heat wave [tɔːˈneɪdəʊ]龙卷风 5.Hurricane/typhoon 4. Thunderstorm 2. Tsunami  [tsuːˈnɑːmi] 1. Wildfire 10. Blizzard 9. Drought[draʊt] 8. Earthquake 6. Flood 11. Volcanic eruption [vɒlˈkænɪk] 12. Landslide Plates moving underground can cause an earthquake, which is __________ of the earth’s surface. When a volcano erupts, _________, volcanic ash and even rocks escape through a large opening at the top. A large amount of ___________ falling down a hill or mountain is called a landslide. Natural disasters are terrible reminders of the power of nature. Watch the video and finish the following exercises. Video time Plates moving underground can cause an earthquake, which is __________________ of the earth’s surface. When a volcano erupts, ___________, volcanic ash and even rocks escape through a large opening at the top. A large amount of __________________ falling down a hill or mountain is called a landslide. Welcome to the Unit a sudden shaking hot gases earth and rock We can’t prevent natural disasters, but is there anything we can do when they hit? Calm down. Conserve energy and call for help. Keep away from dangerous substances (power lines, trees, etc.). Find evacuation(疏散) routes. Focus on our most basic needs (shelter, water, air, food, security, sleep, medical care, etc.). Step 3: Pre-reading Q1:What is the writing type of the two articles? Novel B.News report Essay C.Expository writing Step 3: Pre-reading Q2:How is this type of text usually organized? Inverted pyramid (倒金字塔模式). the lead the body the tail 1.Read for structure The lead Title The body The tail How: the process Why: the reason fo